Chatbots will not destroy apps, they will be symbiotic.
The trifecta: App, sensor/hardware and notification delivery UI.
Chatbots are evolved / alt UI for notifications.
One way notifications: email, push, haptic, etc.
Now two way (interactive) notifications: messenger bots (text / voice).
Some apps will evolve, become background apps.
The "install set data parameters and forgot about " apps.
Intelligent notifications based on data correlation and goals (OKRs).
Ability to interact with notifications to edit parameters and view data.
Messenger bots are v0.1 of Samantha (Her)